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Finding the Fourth Proportional to 54,814.88, 75,644.88 and 29,664.32

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Solution

The fourth proportional to 54,814.88, 75,644.88 and 29,664.32 is: 40,936.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,814.88 : 75,644.88 = 29,664.32 : x
  2. Step 2: Convert to fraction form
    54,814.88/75,644.88 = 29,664.32/x
  3. Step 3: Cross multiply
    54,814.88x = 75,644.88 × 29,664.32
  4. Step 4: Simplify right side
    54,814.88x = 2,243,953,926.68
  5. Step 5: Solve for x
    x = 2,243,953,926.68/54,814.88
  6. Step 6: Final answer
    x = 40,936.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.